Home / 402,194.21-555,032.55-220,910.34

Finding the Fourth Proportional to 402,194.21, 555,032.55 and 220,910.34

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Solution

The fourth proportional to 402,194.21, 555,032.55 and 220,910.34 is: 304,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,194.21 : 555,032.55 = 220,910.34 : x
  2. Step 2: Convert to fraction form
    402,194.21/555,032.55 = 220,910.34/x
  3. Step 3: Cross multiply
    402,194.21x = 555,032.55 × 220,910.34
  4. Step 4: Simplify right side
    402,194.21x = 122,612,429,119.30
  5. Step 5: Solve for x
    x = 122,612,429,119.30/402,194.21
  6. Step 6: Final answer
    x = 304,858.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.